Fatal myositis and spontaneous haematoma induced by combined immune checkpoint inhibitor treatment in a patient with pancreatic adenocarcinoma

Table 1 Clinical characteristics of muscle haematoma in myositis from the literature [18,19,20,21,22,23,24]

Case	Age (years old)	Sex	Underlying diseases	Bleeding site	Anticoagulant drugs	Coagulability	Intravenous methylprednisolone pulse
1[18]	50	Female	No	Left rectus abdomens	No	Normal	No
2[18]	11	Female	No	Right retroperitoneum	No	Normal	No
3[19]	80	Male	No	Left rectus sheath, oblique right thigh	UFH	APTT prolonged	Yes
4[20]	77	Female	No	Left iliopsoas iliac, retroperitoneum	UFH	APTT prolonged	Yes
5[21]	64	Female	No	Right retroperitoneum, left rectus sheath	Dalteparin	Normal	Yes
6[22]	65	Female	No	Iliopsoas both sides, thigh	UFH	APTT prolonged	Yes
7[23]	60	Male	No	Left trapezius	UFH	APTT prolonged	Yes
8[24]	60	Female	No	Left psoas	Enoxaparin	Normal	Yes
9(our case)	71	Male	Pancreatic adenocarcinoma	Left psoas major	Enoxaparin	Normal	Yes

ISSN: 1471-2407